Quick answers
- Where does Marc W. Harrie see patients?
- Medicare's clinician data lists 2 practice locations, including Detroit Lakes, MN and Mahnomen, MN. Call before your visit to confirm the address.
- What is Marc W. Harrie's specialty?
- Medicare lists Optometry as the primary specialty.
- Does Marc W. Harrie accept Medicare assignment?
- Yes. Medicare's clinician data says Marc W. Harrie accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Marc W. Harrie?
- (218) 847-2020, as listed in official Medicare / NPI Registry data.
- What is Marc W. Harrie's NPI number?
- 1427502749. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Marc W. Harrie is enrolled with Medicare (CMS data updated 2026-10-02).
- 1244 Washington AveDetroit Lakes, MN 56501 (218) 847‑2020
- 785 US Hwy 59Mahnomen, MN 56557 (218) 936‑2020
Group practices
Medicare enrollment lists Marc W. Harrie as a member of this group (CMS data updated 2026-10-02).
- Morrison Eye Care Optometrists PA2 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Detroit Lakes
Clinicians with the same Medicare primary specialty in Detroit Lakes, MN — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Graduation year | 2016 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1427502749 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians